PC Connectors:
AGP :
AGP Specification: http://www.evga.com/articles/public.asp?AID=103
New AGP http://www.intel.com/technology/agp/info.htm
PCI:
PCISIG (Peripheral Component Interconnect Special Interest Group): http://www.pcisig.com/
PICMG (PCI Industrial Computer Manufacturers Group): http://www.picmg.org/
SCSI:
Adaptec SCSI controller: http://www.adaptec.com/
SCSI Trade Association: http://www.scsita.org/
USB:
Intel USB Component Family: http://www.intel.com/design/usb/
USB Implementors Forum: http://www.usb.org
IEEE-1394 (Firewire):
IEEE-1394 Printer Working Group: http://www.pwg.org/p1394/
1394 Trade Association: http://www.1394ta.org/
Fire Wire Apple Developer Connection: http://developer.apple.com/hardware/FireWire/
Adaptec 1394 solutions: http://www.adaptec.com
Intelligent I/O (I2O):
I2O Special Interest Group: http://www.i2osig.org/
Intel I2O Technology: http://www.intel.com/design/iio/index.htm
IrDA (Infra Red Data Association):
Infra Red Data Association: http://www.irda.org/